Finding the Fourth Proportional to 149,498.24, 206,357.55 and 89,087.84

Step by Step Solution

1. Step 1: Write the proportion equation
   149,498.24 : 206,357.55 = 89,087.84 : x
2. Step 2: Convert to fraction form
   149,498.24/206,357.55 = 89,087.84/x
3. Step 3: Cross multiply
   149,498.24x = 206,357.55 × 89,087.84
4. Step 4: Simplify right side
   149,498.24x = 18,383,948,397.19
5. Step 5: Solve for x
   x = 18,383,948,397.19/149,498.24
6. Step 6: Final answer
   x = 122,971.00